Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Somer G. Anderson is CPA, doctor of ...

Variance analysis, also described as analysis of variance or ANOVA, involves assessing the difference between two figures. It is a tool applied to financial and operational data that aims to identify ...

Stock's historical variance measures its return stability over time. Higher variance indicates greater return unpredictability and risk. Calculate variance using Excel to simplify the process for ...

A differentiation in the amount of inventory that a company has on hand and the amount that it has on the books can lead to signs of errors in recording or dishonest employees. Both have potentially ...

If you are struggling to keep track of performance metrics and identify areas needing improvement? You will be pleased to know that you are not alone. Many people find it challenging to sift through ...